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发明名称
IMPROVEMENTS IN OR RELATING TO A FLOW REGULATING DEVICE
摘要
申请公布号
GB8928659(D0)
申请公布日期
1990.02.21
申请号
GB19890028659
申请日期
1989.12.19
申请人
BLENKINSOP, WILLIAM D
发明人
分类号
B01D45/02;E21B43/34;F17D1/00
主分类号
B01D45/02
代理机构
代理人
主权项
地址
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